mirror of
https://github.com/moparisthebest/curl
synced 2024-11-16 14:35:03 -05:00
86 lines
2.5 KiB
C
86 lines
2.5 KiB
C
/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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***************************************************************************/
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#include "curl_setup.h"
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#ifdef ENABLE_QUIC
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#ifdef HAVE_FCNTL_H
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#include <fcntl.h>
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#endif
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#include "urldata.h"
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#include "dynbuf.h"
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#include "curl_printf.h"
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#include "vquic.h"
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#ifdef O_BINARY
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#define QLOGMODE O_WRONLY|O_CREAT|O_BINARY
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#else
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#define QLOGMODE O_WRONLY|O_CREAT
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#endif
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/*
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* If the QLOGDIR environment variable is set, open and return a file
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* descriptor to write the log to.
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*
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* This function returns error if something failed outside of failing to
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* create the file. Open file success is deemed by seeing if the returned fd
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* is != -1.
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*/
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CURLcode Curl_qlogdir(struct Curl_easy *data,
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unsigned char *scid,
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size_t scidlen,
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int *qlogfdp)
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{
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const char *qlog_dir = getenv("QLOGDIR");
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*qlogfdp = -1;
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if(qlog_dir) {
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struct dynbuf fname;
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CURLcode result;
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unsigned int i;
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Curl_dyn_init(&fname, DYN_QLOG_NAME);
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result = Curl_dyn_add(&fname, qlog_dir);
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if(!result)
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result = Curl_dyn_add(&fname, "/");
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for(i = 0; (i < scidlen) && !result; i++) {
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char hex[3];
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msnprintf(hex, 3, "%02x", scid[i]);
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result = Curl_dyn_add(&fname, hex);
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}
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if(!result)
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result = Curl_dyn_add(&fname, ".qlog");
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if(!result) {
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int qlogfd = open(Curl_dyn_ptr(&fname), QLOGMODE,
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data->set.new_file_perms);
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if(qlogfd != -1)
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*qlogfdp = qlogfd;
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}
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Curl_dyn_free(&fname);
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if(result)
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return result;
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}
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return CURLE_OK;
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}
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#endif
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